*, *::before, *::after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
}
* {
  padding: 0;
  margin: 0;
  -webkit-overflow-scrolling: touch;
}
html {
  touch-action: manipulation;
}
body {
  font-family: Helvetica;
  -webkit-tap-highlight-color: transparent;
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-overflow-scrolling: touch; /*当手指从触摸屏上移开，会保持一段时间的滚动*/
  overflow-scrolling: touch;
  -ms-progress-appearance: none; /*去除系统默认appearance的样式,常用于IOS下移除原生样式*/
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
}
ul, li {
  list-style-type: none;
}
img {
  max-width: 100%;
  height: auto;
  border-width: 0;
}
a {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
a:active, a:hover, a:link, a:visited {
  text-decoration: none;
  outline-style: none;
  -webkit-tap-highlight-color: transparent;
}
input, select, button {
  font-family: Helvetica;
  outline-style: none;
}
.hide {
  display: none;
}
.show {
  display: block;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.clearfix {
  *zoom: 1;
}
.clearfix:before, .clearfix:after {
  content: "";
  display: block;
  clear: both;
}
.tc {
  text-align: center;
}
.tl {
  text-align: left;
}
.tr {
  text-align: right;
}
/*标题栏*/
[class^=icon_], [class^=icon_]::before, [class^=icon_]::after {
  display: inline-block;
  vertical-align: middle;
  background-repeat: no-repeat;
  -webkit-background-size: 100% auto;
  -moz-background-size: 100% auto;
  -o-background-size: 100% auto;
  background-size: 100% auto;
}
input{cursor:pointer;}
